873665873 has 8 divisors (see below), whose sum is σ = 896359200. Its totient is φ = 851080608.

The previous prime is 873665869. The next prime is 873665899. The reversal of 873665873 is 378566378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 873665873 - 2² = 873665869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873665813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10508 + ... + 43101.

It is an arithmetic number, because the mean of its divisors is an integer number (112044900).

Almost surely, 2^873665873 is an apocalyptic number.

It is an amenable number.

873665873 is a deficient number, since it is larger than the sum of its proper divisors (22693327).

873665873 is a wasteful number, since it uses less digits than its factorization.

873665873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54031.

The product of its digits is 5080320, while the sum is 53.

The square root of 873665873 is about 29557.8394508124. The cubic root of 873665873 is about 955.9792311361.

It can be divided in two parts, 87366 and 5873, that added together give a palindrome (93239).

The spelling of 873665873 in words is "eight hundred seventy-three million, six hundred sixty-five thousand, eight hundred seventy-three".